<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi ,chartBIanalysis } from "@/api/tool/datav/chartApi";

import { addOption } from "../../codegen/codegen";

import { progressBIanalysis } from "@/api/tool/datav/chartBI/chartProgressBI";
import { getFormsource } from "@/api/tool/datav/formsource";

const animationDuration = 6000;
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.setOptions(JSON.parse(JSON.stringify(newVal)));
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    //this.$nextTick(() => {
    this.initChart();
    //});
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      this.$nextTick(() => {
        
        //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
        if (this.timer != "") {
          clearTimeout(this.timer);
        }
        if (
          (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
          this.chartOption.timeout > 0
        ) {
          let timerTask = () => {
            this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
            this.timer = setTimeout(() => {
              timerTask();
            }, this.chartOption.timeout);
          };

          timerTask();
        }else{
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
        }
      });
    },
    setOptions: async function(dataOption) {
      //console.log("=>", dataOption);

      //初始化数据，判断数据源
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);
        //let interfaceURL = 'http://localhost:8088/chart/api/bar';
        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //先判断输入的url是否合法
        // if(fIsUrL(dataOption.interfaceURL)) {
        //   try {
        //     //ajax请求
        //     var paramJson = parseQueryString(dataOption.requestParameters);
        //   } catch (error) {

        //   }
        // }

        //console.log(paramJson);
      } else if (dataOption.dataSourceType == "database") {
        if (
          dataOption.database.executeSql != undefined &&
          dataOption.database.executeSql != ""
        ) {
          let result = [];
          if(dataOption.database.sqlType != 'custom'){
          
            result = await progressBIanalysis(dataOption.database);
          }else{
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      if (dataOption.animate != null) {
        //添加动画样式
        //animateUtil.addAnimate(dataOption.bindingDiv, dataOption.animate);
      }

      var value = dataOption.staticDataValue;
      if (this.chartOption.theme != null) {
        var color = this.chartOption.theme.color;
      } else {
        var color = dataOption.color;
      }

      var series = [];
      dataOption.yAxis.data = [];
      dataOption.yAxis.axisLabel.textStyle.color = dataOption.labelColor;
      dataOption.legend.data = [];
      dataOption.shortRingRadiusMin =
        dataOption.shortRingRadius - dataOption.shortRingRadiusDiff;

      var minBorder = Math.min(this.chart.offsetHeight, this.chart.offsetWidth);
      dataOption.grid.top =
        ((-dataOption.pieRadiusMax / 2 -
          (dataOption.pieRadiusMax - dataOption.pieRadiusMin) /
            (value.length - 1) /
            4) *
          minBorder) /
          this.chart.offsetHeight +
        parseInt(dataOption.center[1].replace("%", "")) +
        "%";
      dataOption.grid.bottom =
        ((dataOption.pieRadiusMin / 2 -
          (dataOption.pieRadiusMax - dataOption.pieRadiusMin) /
            (value.length - 1) /
            4) *
          minBorder) /
          this.chart.offsetWidth +
        (100 - parseInt(dataOption.center[1].replace("%", ""))) +
        "%";
      dataOption.grid.left = dataOption.center[0];

      for (var i in value) {
        dataOption.legend.data.push({ name: value[i].name });
        //防止溢出
        if (value[i].value > dataOption.maxValue) {
          dataOption.maxValue = value[i].value;
        }
      }
      if (dataOption.isShowLabel) {
        for (var i in value) {
          dataOption.yAxis.data.push(value[i].name);
        }
      }
      //限制字体大小
      dataOption.labelSizeRatio = Math.min(
        (dataOption.pieRadiusMax - dataOption.pieRadiusMin) /
          (value.length - 1),
        dataOption.labelSizeRatio
      );
      dataOption.numberSizeRatio = Math.min(
        (dataOption.pieRadiusMax - dataOption.pieRadiusMin) /
          (value.length - 1),
        dataOption.numberSizeRatio
      );

      series.push({
        name: "大环",
        type: "gauge",
        splitNumber: 15,
        z: 2,
        radius: dataOption.longRingRadius + "%",
        center: dataOption.center,
        startAngle: 90,
        endAngle: -269.9999,
        axisLine: {
          show: false,
          lineStyle: {
            color: [[1, dataOption.longRingColor]]
          }
        },
        axisTick: {
          show: false
        },
        splitLine: {
          show: true,
          length:
            dataOption.longRingRadius -
            dataOption.shortRingRadius +
            dataOption.shortRingRadiusDiff +
            1 +
            "%",
          lineStyle: {
            color: "auto",
            width: dataOption.longRingWidth
          }
        },
        axisLabel: {
          show: false
        },
        detail: {
          show: false
        },
        legend: {
          show: false
        }
      });
      series.push({
        name: "小环",
        type: "gauge",
        splitNumber: 15,
        z: 1,
        radius: dataOption.shortRingRadius + "%",
        center: dataOption.center,
        startAngle: 90,
        endAngle: -269.9999,
        axisLine: {
          show: false
        },
        legend: {
          show: false
        },
        axisTick: {
          show: true,
          lineStyle: {
            color: dataOption.shortRingColor,
            width: dataOption.shortRingWidth
          },
          length: dataOption.shortRingRadiusDiff + "%",
          splitNumber: 5
        },
        splitLine: {
          show: false
        },
        axisLabel: {
          show: false
        },
        detail: {
          show: false
        }
      });
      for (var i in value) {
        series.push({
          name: value[i].name,
          type: "pie",
          clockWise: true,
          color: color[i],
          z: 2,
          hoverAnimation: false,
          radius: [
            Math.round(
              dataOption.pieRadiusMax -
                (i / (value.length - 1)) *
                  (dataOption.pieRadiusMax - dataOption.pieRadiusMin)
            ) -
              dataOption.pieRadiusDiff +
              "%",
            Math.round(
              dataOption.pieRadiusMax -
                (i / (value.length - 1)) *
                  (dataOption.pieRadiusMax - dataOption.pieRadiusMin)
            ) +
              dataOption.pieRadiusDiff +
              "%"
          ],
          center: dataOption.center,
          label: {
            show: dataOption.isShowNumber,
            formatter: "{d}%",
            color: dataOption.numberColor,
            fontSize: Math.round(
              (dataOption.numberSizeRatio / 200) * minBorder
            ),
            position: "inside"
          },
          labelLine: {
            show: false
          },
          legend: {
            show: true
          },
          data: [
            {
              value: value[i].value,
              name: value[i].name
            },
            {
              value: dataOption.maxValue - value[i].value,
              name: "",
              itemStyle: {
                color: "rgba(0,0,0,0)",
                borderWidth: 0
              },
              tooltip: {
                show: false
              },
              label: {
                show: false
              },
              cursor: "default",
              hoverAnimation: false
            }
          ]
        });

        series.push({
          name: "背景线",
          type: "pie",
          silent: true,
          z: 1,
          clockWise: true,
          hoverAnimation: false,
          radius: [
            Math.round(
              dataOption.pieRadiusMax -
                (i / (value.length - 1)) *
                  (dataOption.pieRadiusMax - dataOption.pieRadiusMin)
            ) -
              dataOption.backgroundLineRadiusDiff +
              "%",
            Math.round(
              dataOption.pieRadiusMax -
                (i / (value.length - 1)) *
                  (dataOption.pieRadiusMax - dataOption.pieRadiusMin)
            ) +
              dataOption.backgroundLineRadiusDiff +
              "%"
          ],
          center: dataOption.center,
          cursor: "default",
          label: {
            show: false
          },
          legend: {
            show: false
          },
          itemStyle: {
            label: {
              show: false
            },
            labelLine: {
              show: false
            },
            borderWidth: 5
          },
          data: [
            {
              value: 100,
              itemStyle: {
                color: dataOption.backgroundLineColor,
                borderWidth: 0
              },
              tooltip: {
                show: false
              },
              hoverAnimation: false
            }
          ]
        });
      }

      let option = {
        title: {
          text: dataOption.title.text, //主标题
          textStyle: {
            color: "#fff", //颜色
            fontWeight: dataOption.title.textStyle.fontWeight, // 粗细
            fontFamily: dataOption.title.textStyle.fontFamily, // 字体
            fontSize: dataOption.title.textStyle.fontSize, // 字号大小
            align: "center" //水平对齐
          },
          subtext: dataOption.title.subtext, //副标题
          subtextStyle: {
            //对应样式
            color: "#fff",
            fontWeight: dataOption.title.textStyle.fontWeight, // 粗细
            fontFamily: dataOption.title.textStyle.fontFamily, // 字体
            fontSize: dataOption.title.textStyle.fontSize - 5,
            align: "center"
          },
          x: dataOption.title.x,
          itemGap: 7
        },
        grid: dataOption.grid,
        xAxis: dataOption.xAxis,
        yAxis: dataOption.yAxis,
        tooltip: dataOption.tooltip,
        legend: dataOption.legend,
        series: series
      };

      if (!dataOption.isShowLegend) {
        option.legend = { show: false };
      }

      option.yAxis.axisLabel.fontSize = Math.round(
        (dataOption.labelSizeRatio / 200) * minBorder
      );
      
      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }
      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);

      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            seriesName: params.seriesName,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = this.chartOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });
      }
      // else{
      //   //关闭图表联动，取消echart点击事件
      //   this.chart.off('click');
      // }

      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            seriesName: params.seriesName,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = this.chartOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });
      }
      // else{
      //   //关闭图表联动，取消echart点击事件
      //   this.chart.off('click');
      // }

      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            legendName: params.name,
            seriesName: params.seriesName,
            data: params.value
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let drillDownChartOption = this.chartOption.drillDownChartOption;

          if (
            drillDownChartOption != undefined &&
            drillDownChartOption != null
          ) {
            this.$set(
              this.chartOption.drillDownChartOption.chartOption,
              "requestParameters",
              "drillParam=" + arrs
            );
            //发送下钻消息
            VueEvent.$emit(
              "drill_down_msg",
              this.chartOption.drillDownChartOption
            );
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }
      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              legendName: params.name,
              seriesName: params.seriesName,
              data: params.value
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>
